Chemical Experiments Prepared to Accompany Remsens Introduction to the Study
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* The apparatus for generating hydrogen sulphide should always be set up under a hood or in some room other than the working lab- oratory.
SULPHUR DIOXIDE. 101 SULPHUE DIOXIDE. EXPERIMENT 116.
Flask ; sheet-copper or turnings ; concentrated sulphuric acid ; cyl- inder or bottle ; candle or splinter.
1. Put eight or ten pieces of sheet-copper, one to two inches long, and about half an inch wide, or else 1020 grams copper turnings, into a 500-cc. Flask pro- vided with a cork and delivery-tube ; p...lace it under the hood and pour 15 to 20 cc. Concentrated sulphuric acid into it. Heat gently. The moment the gas be- gins to come off, lower the flame, and keep it at such a height that the evolution is regular and not too ac- tive.
2. Pass some of the gas into a bottle containing water. Is it soluble in water ?
3. Collect a vessel full by displacement of air. (It is more than twice as heavy as air, its specific gravity being 2. 24. ) 4. See whether the gas will burn or support com- bustion.
Is the gas colored?
What to read after Chemical Experiments Prepared to Accompany Remsens Introduction to the Study?
You can find similar books in the "Read Also" column, or choose other free books by Ira Remsen to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
* The apparatus for generating hydrogen sulphide should always be set up under a hood or in some room other than the working lab- oratory.
SULPHUR DIOXIDE. 101 SULPHUE DIOXIDE. EXPERIMENT 116.
Flask ; sheet-copper or turnings ; concentrated sulphuric acid ; cyl- inder or bottle ; candle or splinter.
1. Put eight or ten pieces of sheet-copper, one to two inches long, and about half an inch wide, or else 1020 grams copper turnings, into a 500-cc. Flask pro- vided with a cork and delivery-tube ; p...lace it under the hood and pour 15 to 20 cc. Concentrated sulphuric acid into it. Heat gently. The moment the gas be- gins to come off, lower the flame, and keep it at such a height that the evolution is regular and not too ac- tive.
2. Pass some of the gas into a bottle containing water. Is it soluble in water ?
3. Collect a vessel full by displacement of air. (It is more than twice as heavy as air, its specific gravity being 2. 24. ) 4. See whether the gas will burn or support com- bustion.
Is the gas colored?
What to read after Chemical Experiments Prepared to Accompany Remsens Introduction to the Study?
You can find similar books in the "Read Also" column, or choose other free books by Ira Remsen to read onlineMoreLess
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